Home / 166,287.48-229,010.22-155,614.68

Finding the Fourth Proportional to 166,287.48, 229,010.22 and 155,614.68

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Solution

The fourth proportional to 166,287.48, 229,010.22 and 155,614.68 is: 214,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,287.48 : 229,010.22 = 155,614.68 : x
  2. Step 2: Convert to fraction form
    166,287.48/229,010.22 = 155,614.68/x
  3. Step 3: Cross multiply
    166,287.48x = 229,010.22 × 155,614.68
  4. Step 4: Simplify right side
    166,287.48x = 35,637,352,102.03
  5. Step 5: Solve for x
    x = 35,637,352,102.03/166,287.48
  6. Step 6: Final answer
    x = 214,311.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.